31481460

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{19433}}^1$

素因数の和:19454

約数の個数: 60

約数和(自身を含む): 98763588

約数和(自身を除く): 67282128

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 19433, 38866, 58299, 77732, 97165, 116598, 174897, 194330, 233196, 291495, 349794, 388660, 524691, 582990, 699588, 874485, 1049382, 1165980, 1574073, 1748970, 2098764, 2623455, 3148146, 3497940, 5246910, 6296292, 7870365, 10493820, 15740730, 31481460]

約数ペア:

[(1, 31481460), (2, 15740730), (3, 10493820), (4, 7870365), (5, 6296292), (6, 5246910), (9, 3497940), (10, 3148146), (12, 2623455), (15, 2098764), (18, 1748970), (20, 1574073), (27, 1165980), (30, 1049382), (36, 874485), (45, 699588), (54, 582990), (60, 524691), (81, 388660), (90, 349794), (108, 291495), (135, 233196), (162, 194330), (180, 174897), (270, 116598), (324, 97165), (405, 77732), (540, 58299), (810, 38866), (1620, 19433)]